| Primary satellite | Secondary satellite |
| Name | Cosmos 2228 | CZ-4 R/B |
| Spacetrack catalog number | 22286 | 28414 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2021 Feb 26 01:32 | 2021 Feb 25 21:47 |
| Time of closest approach (UTC) | 2021 Jan 18 08:30:09.679 |
| Minimum distance | 16.886 km |
| Height difference | -2.363 km |
| Relative speed | 15.127 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 80.6°N, 99.2°E |
| Height | 603 km |
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